ywkaras commented on PR #9183:
URL: https://github.com/apache/trafficserver/pull/9183#issuecomment-1306410061
Fixes these two warnings:
```
==================
WARNING: ThreadSanitizer: data race (pid=32645)
Write of size 4 at 0x7f35405bc780 by thread T3:
#0 freelist_new /home/wkaras/REPOS/TS/src/tscore/ink_queue.cc:251
(libtscore.so.10+0x1938e6)
#1 ink_freelist_new /home/wkaras/REPOS/TS/src/tscore/ink_queue.cc:187
(libtscore.so.10+0x193341)
#2 FreelistAllocator::alloc_void() ../../include/tscore/Allocator.h:63
(traffic_server+0x7107ef)
#3 Event* ClassAllocator<Event, false>::alloc<>()
../../include/tscore/Allocator.h:241 (traffic_server+0x71631a)
#4 EventProcessor::initThreadState(EThread*)
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:457
(traffic_server+0xcf6ba4)
#5 EventProcessor::ThreadInit::init(int, Event*)
/home/wkaras/REPOS/TS/iocore/eventsystem/I_EventProcessor.h:388
(traffic_server+0xcf7a76)
#6 Continuation::handleEvent(int, void*)
/home/wkaras/REPOS/TS/iocore/eventsystem/I_Continuation.h:227
(traffic_server+0x711d65)
#7 EThread::execute()
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEThread.cc:333
(traffic_server+0xcf290b)
#8 spawn_thread_internal
/home/wkaras/REPOS/TS/iocore/eventsystem/Thread.cc:79 (traffic_server+0xcf0278)
Previous write of size 4 at 0x7f35405bc780 by thread T2:
#0 freelist_new /home/wkaras/REPOS/TS/src/tscore/ink_queue.cc:251
(libtscore.so.10+0x1938e6)
#1 ink_freelist_new /home/wkaras/REPOS/TS/src/tscore/ink_queue.cc:187
(libtscore.so.10+0x193341)
#2 FreelistAllocator::alloc_void() ../../include/tscore/Allocator.h:63
(traffic_server+0x7107ef)
#3 Event* ClassAllocator<Event, false>::alloc<>()
../../include/tscore/Allocator.h:241 (traffic_server+0x71631a)
#4 EventProcessor::initThreadState(EThread*)
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:457
(traffic_server+0xcf6ba4)
#5 EventProcessor::ThreadInit::init(int, Event*)
/home/wkaras/REPOS/TS/iocore/eventsystem/I_EventProcessor.h:388
(traffic_server+0xcf7a76)
#6 Continuation::handleEvent(int, void*)
/home/wkaras/REPOS/TS/iocore/eventsystem/I_Continuation.h:227
(traffic_server+0x711d65)
#7 EThread::execute()
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEThread.cc:333
(traffic_server+0xcf290b)
#8 spawn_thread_internal
/home/wkaras/REPOS/TS/iocore/eventsystem/Thread.cc:79 (traffic_server+0xcf0278)
Location is global 'fake_global_for_ink_queue' of size 4 at 0x7f35405bc780
(libtscore.so.10+0x0000004aa780)
Thread T3 '[ET_NET 1]' (tid=32656, running) created by main thread at:
#0 pthread_create <null> (libtsan.so.0+0x615d8)
#1 ink_thread_create ../../include/tscore/ink_thread.h:137
(traffic_server+0xcefc7b)
#2 Thread::start(char const*, void*, unsigned long, std::function<void
()> const&) /home/wkaras/REPOS/TS/iocore/eventsystem/Thread.cc:96
(traffic_server+0xcf03a6)
#3 EventProcessor::spawn_event_threads(int, int, unsigned long)
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:439
(traffic_server+0xcf68c1)
#4 EventProcessor::start(int, unsigned long)
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:502
(traffic_server+0xcf6f6c)
#5 main traffic_server/traffic_server.cc:2025 (traffic_server+0x77f23a)
Thread T2 '[ET_NET 0]' (tid=32655, running) created by main thread at:
#0 pthread_create <null> (libtsan.so.0+0x615d8)
#1 ink_thread_create ../../include/tscore/ink_thread.h:137
(traffic_server+0xcefc7b)
#2 Thread::start(char const*, void*, unsigned long, std::function<void
()> const&) /home/wkaras/REPOS/TS/iocore/eventsystem/Thread.cc:96
(traffic_server+0xcf03a6)
#3 EventProcessor::spawn_event_threads(int, int, unsigned long)
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:439
(traffic_server+0xcf68c1)
#4 EventProcessor::start(int, unsigned long)
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:502
(traffic_server+0xcf6f6c)
#5 main traffic_server/traffic_server.cc:2025 (traffic_server+0x77f23a)
SUMMARY: ThreadSanitizer: data race
/home/wkaras/REPOS/TS/src/tscore/ink_queue.cc:251 in freelist_new
==================
```
```
==================
WARNING: ThreadSanitizer: data race (pid=32645)
Read of size 8 at 0x00000129fe00 by thread T2:
#0 Thread::get_hrtime()
/home/wkaras/REPOS/TS/iocore/eventsystem/I_Thread.h:188
(traffic_server+0xaac48c)
#1 EThread::schedule_every(Continuation*, long, int, void*)
/home/wkaras/REPOS/TS/iocore/eventsystem/P_UnixEThread.h:95
(traffic_server+0xab1c42)
#2 initialize_thread_for_net(EThread*)
/home/wkaras/REPOS/TS/iocore/net/UnixNet.cc:254 (traffic_server+0xc7f625)
#3 invoke
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:134
(traffic_server+0xcf52f6)
#4 Continuation::handleEvent(int, void*)
/home/wkaras/REPOS/TS/iocore/eventsystem/I_Continuation.h:227
(traffic_server+0x711d65)
#5 EventProcessor::initThreadState(EThread*)
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:464
(traffic_server+0xcf6d0d)
#6 EventProcessor::ThreadInit::init(int, Event*)
/home/wkaras/REPOS/TS/iocore/eventsystem/I_EventProcessor.h:388
(traffic_server+0xcf7a76)
#7 Continuation::handleEvent(int, void*)
/home/wkaras/REPOS/TS/iocore/eventsystem/I_Continuation.h:227
(traffic_server+0x711d65)
#8 EThread::execute()
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEThread.cc:333
(traffic_server+0xcf290b)
#9 spawn_thread_internal
/home/wkaras/REPOS/TS/iocore/eventsystem/Thread.cc:79 (traffic_server+0xcf0278)
Previous write of size 8 at 0x00000129fe00 by thread T3 (mutexes: write
M287807292786326448):
#0 Thread::get_hrtime_updated()
/home/wkaras/REPOS/TS/iocore/eventsystem/I_Thread.h:194
(traffic_server+0xaac4ca)
#1 EThread::execute_regular()
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEThread.cc:274
(traffic_server+0xcf2392)
#2 EThread::execute()
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEThread.cc:349
(traffic_server+0xcf29cd)
#3 spawn_thread_internal
/home/wkaras/REPOS/TS/iocore/eventsystem/Thread.cc:79 (traffic_server+0xcf0278)
Location is global 'Thread::cur_time' of size 8 at 0x00000129fe00
(traffic_server+0x00000129fe00)
Mutex M287807292786326448 is already destroyed.
Thread T2 '[ET_NET 0]' (tid=32655, running) created by main thread at:
#0 pthread_create <null> (libtsan.so.0+0x615d8)
#1 ink_thread_create ../../include/tscore/ink_thread.h:137
(traffic_server+0xcefc7b)
#2 Thread::start(char const*, void*, unsigned long, std::function<void
()> const&) /home/wkaras/REPOS/TS/iocore/eventsystem/Thread.cc:96
(traffic_server+0xcf03a6)
#3 EventProcessor::spawn_event_threads(int, int, unsigned long)
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:439
(traffic_server+0xcf68c1)
#4 EventProcessor::start(int, unsigned long)
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:502
(traffic_server+0xcf6f6c)
#5 main traffic_server/traffic_server.cc:2025 (traffic_server+0x77f23a)
Thread T3 '[ET_NET 1]' (tid=32656, running) created by main thread at:
#0 pthread_create <null> (libtsan.so.0+0x615d8)
#1 ink_thread_create ../../include/tscore/ink_thread.h:137
(traffic_server+0xcefc7b)
#2 Thread::start(char const*, void*, unsigned long, std::function<void
()> const&) /home/wkaras/REPOS/TS/iocore/eventsystem/Thread.cc:96
(traffic_server+0xcf03a6)
#3 EventProcessor::spawn_event_threads(int, int, unsigned long)
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:439
(traffic_server+0xcf68c1)
#4 EventProcessor::start(int, unsigned long)
/home/wkaras/REPOS/TS/iocore/eventsystem/UnixEventProcessor.cc:502
(traffic_server+0xcf6f6c)
#5 main traffic_server/traffic_server.cc:2025 (traffic_server+0x77f23a)
SUMMARY: ThreadSanitizer: data race
/home/wkaras/REPOS/TS/iocore/eventsystem/I_Thread.h:188 in Thread::get_hrtime()
==================
```
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